You should set up custom channel groupings. You should set up keyword groupings. You should set up multichannel groupings. You should set up automated channel groupings. The correct answer is: You should set up custom channel groupings.
You should use budget bid strategies for clicks. You should use target cost-per-acquisition (tCPA). You should use target return on ad spend (tROAS). You should use budget bid strategies for conversions. The correct answer is: You should use budget bid strategies for conversions.